:root {
  --accent: #d8b44a;
  --accent-2: #7fd7a5;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(1000px 520px at 10% -10%, var(--bg-glow-1) 0%, transparent 52%),
    radial-gradient(760px 460px at 100% 0%, var(--bg-glow-2) 0%, transparent 48%),
    var(--bg);
}

button,
canvas {
  -webkit-tap-highlight-color: transparent;
}

.shell {
  width: min(1060px, calc(100% - 16px));
  margin: 10px auto 20px;
}

.canvas-wrap {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--ui-surface-canvas);
  opacity: 0;
  animation: rise 600ms ease-out 240ms forwards;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
  touch-action: manipulation;
}

.message {
  margin: 10px 2px 0;
  color: var(--muted);
  min-height: 22px;
  opacity: 0;
  animation: rise 600ms ease-out 280ms forwards;
}

.message.alert {
  color: color-mix(in srgb, white 40%, var(--danger) 60%);
}

.footer-nav {
  margin-top: 14px;
  padding: 0 2px;
  opacity: 0;
  animation: rise 600ms ease-out 320ms forwards;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 11px;
  padding: 10px 13px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.link-btn:hover {
  transform: translateY(-1px);
}

.link-back {
  background: color-mix(in srgb, black 76%, var(--accent) 24%);
  border-color: color-mix(in srgb, black 60%, var(--accent) 40%);
}

.link-back:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, transparent 84%, var(--accent) 16%);
}

@media (max-width: 680px) {
  .shell {
    width: min(1060px, calc(100% - 12px));
  }

  .link-btn {
    width: 100%;
    justify-content: center;
  }
}